Ricoh FACSIMILE FAX77 - Page 178

CN9 - Printer Cover Sensor (SB-10)
CN12 - PSU
Pin Name Function V Pin
Name Function
V
1
COM1 Ground 0
1 COM1 Ground
2 5SB10 SB-10 status (H: Cover open) 0
2 1POWER + 24VA enable (On = H) 5
3
- 12V Supply from PSU
-12
CN10 - SBU
4
COM1 Ground
0
Pin Name Function
V
1
5PH1B CCD drive clock 1 2
2
3
4
5
6
7
8
9
5PH2B CCD drive clock 2
2
5RSB CCD drive clock RS
2
5SHB CCD drive clock SH 5
+ 12V Supply to SBU
12
+ 5V Supply to SBU 5
COM1 Ground 0
XVIDEO Analog video signal
Not connected
5
+ 5V Supply from PSU 5
6
COM3 Ground
0
7
+ 24V Supply from PSU
24
8
+ 24VA Supply from PSU
24
CN13 - Paper End Sensor (SB-4)
Pin Name
Function
V
1 + 5V Power supply
5
2
COM1 Ground
4
3
5SB4 Sensor output (analog)
1
CN11 - Rx Motor
Pin Name Function
V
1 OUTDB Stepper motor drive phase 1
CN14 - Reserved: RS-232C
2 OUTD Stepper motor drive phase 1
3 OUTCB Stepper motor drive phase 0
4
OUTC Stepper motor drive phase 0
7-4